1241904640

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15649}}^1$

素因数の和:15703

約数の個数: 80

約数和(自身を含む): 3073910400

約数和(自身を除く): 1832005760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 9920, 15649, 15872, 19840, 31298, 39680, 62596, 78245, 79360, 125192, 156490, 250384, 312980, 485119, 500768, 625960, 970238, 1001536, 1251920, 1940476, 2003072, 2425595, 2503840, 3880952, 4006144, 4851190, 5007680, 7761904, 8012288, 9702380, 10015360, 15523808, 19404760, 20030720, 31047616, 38809520, 40061440, 62095232, 77619040, 124190464, 155238080, 248380928, 310476160, 620952320, 1241904640]

約数ペア:

[(1, 1241904640), (2, 620952320), (4, 310476160), (5, 248380928), (8, 155238080), (10, 124190464), (16, 77619040), (20, 62095232), (31, 40061440), (32, 38809520), (40, 31047616), (62, 20030720), (64, 19404760), (80, 15523808), (124, 10015360), (128, 9702380), (155, 8012288), (160, 7761904), (248, 5007680), (256, 4851190), (310, 4006144), (320, 3880952), (496, 2503840), (512, 2425595), (620, 2003072), (640, 1940476), (992, 1251920), (1240, 1001536), (1280, 970238), (1984, 625960), (2480, 500768), (2560, 485119), (3968, 312980), (4960, 250384), (7936, 156490), (9920, 125192), (15649, 79360), (15872, 78245), (19840, 62596), (31298, 39680)]